CN2462383Y

CN2462383Y - Measurer for measuring body fat

Info

Publication number: CN2462383Y
Application number: CN 01201058
Authority: CN
Inventors: 陈朝泉
Original assignee: CHANGYOU PRECISE INDUSTRY Co Ltd
Current assignee: CHANGYOU PRECISE INDUSTRY Co Ltd
Priority date: 2001-01-16
Filing date: 2001-01-16
Publication date: 2001-11-28
Anticipated expiration: 2011-01-16

Abstract

The utility model relates to a measurer for measuring body fat, which regards a human body as a capacitor, and a circuit is formed by the measurer and the human body. The measurer for measuring body fat uses the principle that the capacitance value of the capacitor is inversely proportional to the body fat content of a similar resistor, after the detection measuring person contacts signals at two end contact points, the comparison with a built-in program is carried out, and after the operation and the conversion are carried out, the measured fat percentage of the human body is shown on a display screen.

Description

Can measure the measuring appliance of body fat

The utility model is relevant with human body characteristic measuring equipment, more detailed is meant a kind of measuring appliance that measures body fat.

Press,, impel people after the leisure, often to utilize various measurement equipment with as the situation that detects present health at any time, and then do a suitable adjustment and an attention for own physical efficiency with the lifting of work material life and to the attention of health; One of common test item promptly is the measurement of body fat, has in order to the principle of sensing body fat and generally measure equipment on the market:

The first is in the mode that measures current impedance for it: its measuring principle is that human body is considered as a resistive element, the situation that is produced impedance via measuring electric current chance fat behind the importing electric current is more according to this as the number of judging body fat content, only, the mistake of posture that this measurement mode is subjected to the gauger easily when manipulating and cause and produce the measurement result numerical error, generally speaking, its correct use posture must directly be stretched both hands and is 90 degree for good with health, so, though many manipulating once mentioned these points for attention on the instructions, only, most users still often ignore this point, cause the accuracy that influence detects.

It two is to utilize near infrared ray to be sensing: its in the ray mode for it, only this structural design is comparatively complicated and make and be difficult for, and makes indirectly that cost is high and is difficult for being accepted by the consumer.

In view of this, the utility model creator thinks funiculus through detailed, and long-pending research and development and the making experience of being engaged in relevant industries for many years, and generation of the present utility model is arranged eventually.

That is, fundamental purpose of the present utility model is to provide a kind of measuring appliance that measures body fat, and it provides alternative metering system, makes this series products selected more various.

Again, secondary objective of the present utility model is to provide a kind of measuring appliance that measures body fat, the influence of posture when its measurement result is not manipulated.

In addition, another purpose of the present utility model is to provide a kind of measuring appliance that measures body fat, and its cost is low to be accepted by the consumer easily.

Edge is to reach above-mentioned purpose, and a kind of measuring appliance that measures body fat provided by the utility model is characterized in that, comprises: a body has one first contact jaw and one second contact jaw; One central processing unit has a measuring unit, a comparing unit and an arithmetic element, and this measuring unit is connected with one second contact jaw with this first contact jaw, and this comparing unit is the built-in program of central processing unit; One shows the display screen of measurement result, is to be electrically connected with this central processing unit; One provides the power supply of electric power required when measuring to place in this body.

Wherein first contact jaw of this body and one second contact jaw are the electrode slices for fixedly installing.

Wherein this display screen is to be a LCD.

Below, enumerate preferred embodiment of the present utility model now, and after cooperating following diagram to be described in more detail in, wherein:

Fig. 1 is the user mode reference diagram of the utility model one preferred embodiment.

Fig. 2 is the line block diagram of the above-mentioned preferred embodiment of the utility model when measuring.

Fig. 3 is the circuit diagram of the above-mentioned preferred embodiment of the utility model.

See also Fig. 1, shown in Figure 2, the utility model can measure the measuring appliance 100 of body fat to be made up of a body 10, a central processing unit 20, a display screen 30 and a power supply (figure does not show) institute, wherein:

This body 10 respectively is set with an electrode slice about going up in its surface, and these electrode slices constitute one first contact jaw 11 and one second contact jaw 12 respectively, and this each contact jaw can press for the gauger, uses making this measuring appliance 100 and gauger form a loop; And this power supply is a battery, required electric power when it provides this measuring appliance 100 to measure.

This central processing unit 20 has a measuring unit 21, a comparing unit 22 and an arithmetic element 23 of being made up of most electronic components, wherein:

This measuring unit 21 is in order to input and the output signal of this loop of sensing in first contact jaw 11 and second contact jaw, 12 positions, and should import and output signal is done one and converged whole the processing;

This comparing unit 22 is the built-in program of central processing unit 20, and it can carry out the comparison and the arrangement of signal with this input and output signal;

And this arithmetic element 23 is carried out the demodulation conversion process with above-mentioned signal after comparison is handled according to this.

This display screen 30 is a LCD, and itself and this central processing unit 20 is electrically connected and is arranged on this body 10, and this display screen 30 can data mode demonstrate measurement result, in order to inspecting reference.

Be with, the above-mentioned the utility model that is can measure measuring appliance 100 each member of body fat and the explanation of associated location thereof, now, again its measuring principle and detecting mode are stated as after, believe structural attitude of the present utility model and advantage, can obtain further to understand and approval:

Tissues such as the muscle of forming because of human body, bone, blood contain moisture content, as with electric conductivity, human body can be considered as a capacitor, the gauger then constitutes a capacity load with the two ends that this measuring appliance 100 contacts, in present embodiment, the gauger is that to constitute the loop that the stream of can powering passes through with the finger presses of its left hand and right hand on this first contact jaw 11 and this second contact jaw 12 be the example explanation.

Above-mentioned capacitor is in circuit turn-on and discharge and recharge on, to there be a resistance effect to produce, and this resistance is the body fat of human body, in this circuit, this resistance value size is to be inversely proportional to the capacitance size, in other words, when the human body body fat content more for a long time, its capacitance is less, and relatively, it is shorter that this capacitor produces the time that discharges and recharges, otherwise, when the human body body fat content more after a little while, capacitance is bigger, grows (the utility model only is to obtain signal from human body) and this capacitor produces the time that discharges and recharges.

As Fig. 1, Fig. 2 and shown in Figure 3, utilize above-mentioned principle, when the gauger utilizes this measuring appliance 100 with the measurement body fat, gauger's a left side, right finger is pushed the (A among the figure of place, shown in the B point) formation one capacity load, at this moment, this central processing unit 20 will be sent the signal of several different frequencies in the predetermined number of seconds of measuring beginning, and its measuring unit 21 will be detected this different frequency signals respectively simultaneously in the input by gauger's (capacitor) two contacting points positions and output signal and time of discharging and recharging thereof, and according to this all signals are done integration processing in the hope of a mean value, this signal after integration processing will carry out the comparison of signal with this comparing unit 22 again, at last according to this conversion of signals after the comparison process is become data and demonstrate the human body fat content that records on this display screen 30, so promptly finish and measure action by this arithmetic element 23.

At last, again that advantage arrangement of the present utility model is as follows:

1. the utility model is that human body is considered as a capacitor, utilizes the length of the time that discharges and recharges and contains the method for rate as carrying out measuring body fat, and it provides and utilizes current impedance and be that another of measurements measured selection in the ray mode.

2. the influence of posture when measurement result of the present utility model is not manipulated, it improves known serves as to be subject to when measuring to use correct set whether influence with the current impedance principle.

3. cost of manufacture of the present utility model is low than the device that is measurement in the ray mode, so accepted by the consumer easily.

In sum, the utility model is real in like product to have its progressive practicality, and uses and go up conveniently, again, the utility model there is no identical items and sees publication or public use before application, be with, the utility model has possessed novel patent requirement in fact, files an application in the whence in accordance with the law.

Only, the above person only is a preferable possible embodiments of the present utility model, changes so use the equivalent structure that the utility model instructions and claim do such as, ought to be included in the claim of the present utility model.

Claims

1. the measuring appliance that can measure body fat is characterized in that, comprises:

One body has one first contact jaw and one second contact jaw;

One central processing unit has a measuring unit, a comparing unit and an arithmetic element, and this measuring unit is connected with one second contact jaw with this first contact jaw, and is connected to comparing unit and arithmetic element, and this comparing unit is the built-in program of central processing unit;

One shows the display screen of measurement result, is to be electrically connected with this central processing unit;

One provides the power supply of electric power required when measuring to place in this body.

2. according to claim 1 a described measuring appliance that measures body fat, it is characterized in that wherein first contact jaw of this body and one second contact jaw are the electrode slices for fixedly installing.

3. according to claim 1 a described measuring appliance that measures body fat, it is characterized in that wherein this display screen is to be a LCD.